Über den Greifenpass

(from the back of the book)
In the small town of Gratenfels an aging magician is kidnapped and a crystal ball, which is supposedly stems from the mage wars, is stolen from the garrison. As the lord of the town at the moment can not spare any of his guards, he is looking for a few brave warriors to investigate this crime. Who is more suitable for this task as a party of young heroes who showed courage?
The trail of the kidnappers leads directly into the wintry Kosch mountains, where more adventures wait for the heroes - from the sinister events in a wizards tower to an encounter with a unicorn - until the hideouts of the culprits are found. But then the adventure begins for real ...